SuperATV Can-Am Defender HD5 Cab Heater Kit

SuperATV Cab Heater for Can-Am Defender HD5 (2017–2021)

The SuperATV Cab Heater for Can-Am Defender HD5 draws engine heat directly from your coolant lines to warm your cab — just like a factory car heater. Designed specifically for Defender HD5 models without a factory HVAC system, this kit includes all mounting hardware, hoses, and drill bits for a clean, dash-mounted install.

Key Features

• Adjustable temperature and fan speeds
• 360° adjustable vents
• High-grade radiator hoses rated –40°F to 285°F
• Includes defrost hose and vent to keep your windshield clear
• 3.4 amps at 13.7 volts
• Capable of 14,600 BTU at 135 CFM
• Built-in shutoff valve
• Mounts under the dash — factory-look install
• All installation hardware and instructions included
• Heater control box: 10" × 4.5" × 11.75"

Fitment

Compatible with Can-Am Defender HD5 models without factory HVAC:

• Defender HD5 DPS: 2017–2021

Optional Upgrades

Quick-Start Flow Valve

Gets you heated air twice as fast by diverting coolant to the heater core at low engine temps. Ideal for cold-start rides.

Grille Cover

Blocks frigid air flowing over your radiator to raise coolant temps faster. Made with PVC-backed polyester. For use in temperatures below freezing only — do not use above 32°F or engine overheating may occur.

Idle Pump

Circulates coolant when the engine is at idle, so you get heat even when you're not moving.

Second-Row Heater

Keep back-seat passengers warm too. Mounts in front of the middle seat with adjustable temperature and fan settings.

Installation

Note: Drilling through plastic and firewall is required. All necessary drill bits are included.

• Front Model Installation Instructions (PDF)
• Max Model Installation Instructions (PDF)
• Flow Valve Installation Instructions (PDF)

Frequently Asked Questions

Does this heater work at idle?

The standard heater requires engine RPM to circulate coolant. Adding the optional Idle Pump allows the heater to work even when the engine is at idle.

Can I use the grille cover in warm weather?

No. The grille cover is designed for temperatures below freezing only. Using it above 32°F will cause your machine to overheat.

Does this fit Defender HD5 models with factory heat?

No. This kit is designed for Defender HD5 models without a factory HVAC system.

How long does installation take?

Most installs take 2–4 hours. All hardware, hoses, and drill bits are included. Drilling through plastic and the firewall is required.

What is the BTU output of this heater?

The SuperATV Cab Heater is capable of 14,600 BTU at 135 CFM airflow.